package com.zj.menus.action;

import static org.jboss.seam.ScopeType.SESSION;

import java.util.List;

import javax.ejb.Stateless;
import javax.persistence.EntityManager;
import javax.persistence.PersistenceContext;

import org.jboss.seam.annotations.In;
import org.jboss.seam.annotations.Name;
import org.jboss.seam.annotations.Out;

import com.zj.menus.entity.User;

@Stateless
@Name("authenticator")
public class AuthenticatorAction implements Authenticator {
    @PersistenceContext
    private EntityManager em;

    @In(required = false)
    @Out(required = false, scope = SESSION)
    private User user;

    @Override
    public boolean authenticate() {

        List results = em.createQuery("select u from User u where u.username=#{identity.username} and u.password=#{identity.password}").getResultList();

        if (results.size() == 0) {
            return false;
        } else {
            user = (User) results.get(0);
            return true;
        }
    }

}
